重点讲解：
1.separate from 从...分离
例句：His mouth felt like an instrument that was separate from the rest of him.
他感觉自己的嘴就是个工具，和身体的其他部位分开了。

2.blow into 吹进去
例句：When you blow into a balloon it expands.
当你吹气球，它就膨胀变大。

3.demand for ...的需求
例句：As the demand for movies skyrocketed, the atmosphere was permeated with a sense of excitement.
由于对电影的需求暴涨，空气中弥漫着兴奋之情。

4.pour over 灌浇；倾倒
例句：Bring cream to almost boiling in a small saucepan, and pour over the chocolate.
把奶油在一个小锅里煮沸，倒入巧克力里。